Benoit Hamon, Socialist Party presidential candidate for the 2017 presidential election, delivers a speech near the statue of Jean Jaures as he campaigns in Carmaux, France, April 21, 2017. REUTERS/Regis Duvignau

Benoit Hamon, Socialist Party presidential candidate for the 2017 presidential election, delivers a speech near the statue of Jean Jaures as he campaigns in Carmaux, France, April 21, 2017. REUTERS/Regis Duvignau